The Effect of a Copay Increase on Pharmaceutical Utilization, Expenditures, and Treatment Continuation

Eric N. Gardner, MPP; Christopher M. Murtaugh, PhD; Nancy F. Ray, MS; Mae Thamer, PhD

Brenda R. Motheral, PhD; Rochelle Henderson, MPA

Sharon Bell Buchbinder, RN, PhD; Modena Wilson, MD, MPH; Clifford F. Melick, PhD; Neil R. Powe, MD, MPH, MBA

Sandy Patton

Jean M. Lawrence, ScD, MPH, MSSA; Daniel Ershoff, DrPH; Carolyn Mendez, MPH; Diana B. Petitti, MD, MPH

Samuel A. Skootsky, MD; Stuart Slavin, MD, Med; Michael S. Wilkes, MD, PhD

Joseph F. O'Neil, MD, MPH

Barney Singer, JD; Sandy Gamliel; Richard Conviser, PhD

Peter D. Reis

Ira Feldman, MPA; Humberto Cruz, MS; Judy DeLorenzo, MD; Julia Hidalgo, ScD; Hope Plavin, MPA; John Whitaker, MS